DStacy01 DStacy01
  • 02-10-2014
  • Mathematics
contestada

Three times a number plus twice another is 10, while their sum is 10, Find the numbers

Respuesta :

mariamikayla
mariamikayla mariamikayla
  • 02-10-2014
[tex]3a+2b=10 \\\\ a+b=10 \\\\ \boxed{a=10-b} \\\\ 3(10-b)+2b=10 \\\\ 30-3b+b=10 \\\\ -b=10-30 \\\\ -b=-20 \\\\ \boxed{b=20} \\\\ a=10-20 \\\\ \boxed{a=-10}[/tex]
Answer Link

Otras preguntas

How many more cups of apples are in the fruit medley then grapes?
Name two global organizations that are addressing the HIV/AIDS pandemic in the world.
All classes of fishes possess a ____________________, composed of fluid-filled canals arranged along the sides of the body, which permit them to detect movement
PLEASE HELP!!! I got 164... is this correct?
so if any percent and whole number can be divided equally it's 50
suppose that species evolves and species B evolves in response to changes in species a species a then changes and responses to the changes in species be this is
What is 95/50 as a decimal
50 percent of 620 written as a percent
1 Project.... Mad or People Magazine. Which one do you prefer?
How do you think slavery affected the economy of South America?